Submitted by György Chityil ... on Fri, 01/19/2018 - 18:23 Hierarchy: InitialismDescription: {{US}}{{aviation}} prefix code for NASA research bomber plane designationsNgram: NBNgram Text: NBSource: WiktionaryIssue: 0Wiktionary tag: aviationNgram Count: 1Wikokit WikiText ID: 120028
